P4 (s) + Cl2 (g) → 4PCl3 (l)

Answers

Answer 1
If you are wanting the equation to be balanced it would be: P4 + 6Cl2 → 4PCl3

Related Questions

What is the temperature of lukewarm water? Select the better estimate.
80°C
80°F

Answers

Answer:

80°F

Explanation:

Lukewarm means moderately warm. 80°C (176°F) water is extremely hot and could burn someone. 80°F (26 2/3°C) is moderately warm.

80F my good guy and have a good day

Being farther from the nucleus and with more electrons shielding the protons results in the valence electrons being held ...

Answers

Answer:

electrons

Explanation:

since they are at the outer part of nucleus

Answer:

Weakly

Explanation:

Being farther from the nucleus and with more electrons shielding the protons results in the valence electrons being held weakly.

The effect of the nuclear pull will not be felt so strongly by the valence electrons. The valence electrons are the outermost electrons that occupies a shell. When the inner orbital electrons are much and the atomic radius is large, the valence electrons are well shielded. This results in electropositivity and a low ionization energy.

What human activity has caused the Increase of CO2 in the atmosphere?

Answers

Burning fossil fuels for energy.

How many atoms are in this compound?
C4H10N5O5

Answers

Answer:

24 atoms

Explanation:

4+10+5+5

Based on the given information, which of the following is the students' correct conclusion about their experiment?

Answers

Answer:kj

Explanation:nnn

molecules are always moving no matter what phase they are in solid liquid gas

true or false

Answers

Answer:

Solids - vibrational (and rotational); moving very slowly.

Liquids - vibrational, rotational, and translational; moving quickly.

Gases - vibrational, rotational, and translational; moving very quickly.

Explanation:

Particles are always moving. No matter what. There is a certain point where they move so slowly it is considered minuscule, but they are in fact moving.

Thus, in solids, liquids, and gases, you can expect particles to move in a certain trend. That trend is average kinetic energy of the particles and the forces holding them together (attraction).

A molecule composed of two or more different
kinds of atoms is a (an)

Answers

Compound hope it helped

Down a group, the electron shielding tends to________
a.)increase
b.)decrease

thank uuu :)

Answers

Answer:

A

Explanation The number of energy levels (n) increases, and so does the distance between the nucleus and the outermost orbital. The increased distance and the increased shielding weaken the nuclear attraction, and so an atom can't attract electrons as strongly.

The answer is A increase

The emission spectrum of iodine is shown below. A line spectra with 2 purple lines, 6 blue lines, 3 light blue lines, 3 green-blue lines, 6 green lines, 8 yellow lines, 6 orange lines and 8 red lines. Which is the absorption spectrum? A line spectra with 4 purple lines, 6 blue lines, 3 light blue lines, 5 green-blue lines, 6 green lines, 7 yellow lines, 3 orange lines and 14 red lines. A line spectra with 6 purple lines, 9 blue lines, 6 light blue lines, 3 green-blue lines, 6 green lines, 2 yellow lines, 5 orange lines and 10 red lines. A line spectra with 2 black lines in purple, 6 black lines in blue, 3 black lines in light blue, 1 black line in green-blue, 10 black lines in green, 8 black lines in yellow, 6 black lines in orange and 8 black lines in red. A line spectra with 4 black lines in purple, 8 black lines in blue, 6 black lines in light blue, 3 black line in green-blue, 10 black lines in green, 4 black lines in yellow, 4 black lines in orange and 12 black lines in red.

Answers

Answer:

it's b

Explanation:

The emission spectrum which is a line spectrum of iodine consists of 6 blue lines as it absorbs yellow light.

What is  emission spectrum?

Emission spectrum is defined as a spectrum of a chemical compound or substance composed of frequencies of electromagnetic radiation. Radiations which are emitted while electron make transition from higher to lower energy level.

Energy of photon is equal to the difference between the two energy states . There are many possible electronic transitions in an atom and every transition has a specific wavelength.

Collection of different transitions with respect to different wavelengths makes up an emission spectrum.Emission spectrum of each element is unique and therefore spectroscopy is used to identify elements which are present in different substances.

Learn more about emission spectrum,here:

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9. 1.2 x 102 yd =
10. 1535 fl. oz. =
L

Answers

Answer:

9. 122.4 yards

10. 45.395 litres

pt Which of the following is an example of potential energy?
A. a rolling ball
B. a turning windmill
C. a compressed spring
D. a moving train

Answers

A compressed spring is the right answer

Answer:

C . a compressed spring

How many moles of oxygen gas could be produced by 120 moles of lead (II) nitrate?

Answers

Answer:

9 moles of O²

Explanation:

Hope this helped,

Philip

Brainliest always appreciated! <3

The total amount of matter of all of the organisms in an ecosystem is referred to as

Answers

i think the answer is bio mass
bio:life
mass:total

The _____ law of thermodynamics states that when two objects of different temperature are in contact, heat energy will flow from the hotter to the cooler object.

Answers

Answer:

Second.

Explanation:

There are four types or kinds of the laws of thermodynamics, but in this question we are actually considering the second law of thermodynamics.

The second law of thermodynamics, in a simple sense means that energies can flow in an equilibrate manner. It can also be stated as the total entropy of the universe. The second law is normal refer to as Law concerning Entropy.

Thus, filling the gap in the Question above. Note that the word written in capital letters is the missing word.

"The SECOND law of thermodynamics states that when two objects of different temperature are in contact, heat energy will flow from the hotter to the cooler object."

A large rift valley can be found along the east coast of Africa. It has been slowly widening over time, and it is now wide enough to contain many large lakes.
Which of these best explains the slow widening of this rift valley over time?
Group of answer choices

Earth's rotation

wind and water erosion

the Moon's gravitational pull

lithospheric plate movement

Answers

Answer:

wind and water erosion

Answer:

C is the answer

I will make you brainiest! In this analogy, which part of the lunar cycle is waning - from the new moon to the full moon or the full moon to the new moon?

Answers

Answer:

Explanation:

After the glorious appearance of Full Moon, the lunar shape starts to wane, meaning it gets smaller. It's visible later at night and into the early morning, and we see a steadily shrinking shape of the lunar surface that's being lit up.

8. Which type of element requires the least amount of energy to remove an electron?​

Answers

Answer:

nonmetals

Explanation:

A train station in Tokyo uses tiles that convert people’s footsteps into electricity.

A.Restore
B. Rethink
C. Reduce
D. reuse

Answers

Answer:

reuse

Explanation:

The final temperature and pressure in a container is 234K at 210 kPa.
If initial temperature was 175 K, what was the starting pressure?

Answers

Answer:

Initial pressure = 157 kpa (Approx)

Explanation:

Given:

final temperature = 234 K

final pressure = 210 kpa

Initial temperature = 175 K

Find:

Initial pressure

Computation:

Initial pressure / Initial temperature = final pressure / final temperature

Initial pressure / 175 = 210 / 234

Initial pressure = 157 kpa (Approx)

I'm a bit stupid, that's why I'm going to ask for help, can you be nice and help me? Thank you

Answers

1. Ion
2. Valence electron
3. Isotopes
4.Covalent
5. ionic

Explanation:

ion

valence electrons

isotope

covalence

ionic

Explain how a sedimentary rock can turn into a metamorphic rock.​

Answers

Answer:

When Sedimentary rocks are buried deep beneath the Earth's surface, great pressure and tremendous heat change these rocks into new rocks containing different minerals. These are Metamorphic rocks.

Explanation:

a. Rub the magnet along the nail or knitting needle. Now try picking up the paper clip or tack. Could your nail pick it up? How many can it pick up at once?

b. Now try to make your magnet stronger by rubbing the magnet along the nail or knitting needle for a longer time. Rub only in one direction, not back and forth. This will increase the number of atoms that line up with the magnet. Try to pick up paper clips or thumbtacks. How many can it pick up now?

Answers

Answer:

ight i'll answer both rq

Explanation:

a. Rub the magnet along the nail or knitting needle. Now try picking up the paper clip or

tack. Could your nail pick it up? How many can it pick up at once?

after rubbing the magnet with the nail, it could pick up 7 small paper clips.

b. Now try to make your magnet stronger by rubbing the magnet along the nail or knitting

needle for a longer time. Rub only in one direction, not back and forth. This will increase

the number of atoms that line up with the magnet. Try to pick up paper clips or

thumbtacks. How many can it pick up now?

after rubbing it a second time but for a longer period, it could pick up around 10, almost lifting the 11th.

Answer:

A. After rubbing the magnet with the nail, it could pick up 7 small paper clips.

B. After rubbing it a second time but for a longer period, it could pick up around 10 small paper clips, almost lifting the 11th one.

Why do we use Scientific Notation?

Answers

Answer:

Scientific Notation was developed in order to easily represent numbers that are either very large or very small.  As you can see, it could get tedious writing out those numbers repeatedly. So, a system was developed to help represent these numbers in a way that was easy to read and understand: Scientific Notation.

Explanation:

Answer:

Working with very large or small quantities usually ends up being quite complicated. Scientific notation is a way to write numbers in an abbreviated way, making it easier to work with these numbers.

Explanation:

(?)Li2O + (?)H2O → (?)LiOH

Answers

Answer:

Li2O+H2O---->(2)LiOH

Explanation:

you have to balance the equation and not all the blanks have to be filled all the time but if it makes it easier for you in the first 2 question marks you can put a 1 which isnt necessary but if ur a visual person it will help.

hope this helps im litterally learning the same thing as u lol

Answer:

1,1,2

Explanation:

this was correct for me, if it wasnt correct check if youre on the right question

Give two properties that glass and plastic sometimes share.​

Answers

Answer:

Wall, cup, mug, plastic spoon

Explanation:

Because all of those are glass and it is important to us to make sure that if you are touching this brle careful

Answer:

Example aflask that is made in plastic,a plastic jag

Explanation:

they share some of the things in common such us

1.the height

2. the density

how to determine whether a liquid is pure water or not besides boiling the liquid?

Answers

Answer:

Explanation:

Aside the boiling point of water, another colligative property that can be used to identify pure water (or not) is the freezing point. Water freezes at 0 °C, but with the presence of impurities, there is a freezing point depression of the water. Thus, if the water is not pure, the liquid could freeze at a temperature lower than 0 °C (with a negative sign like -8 °C).

Can you calculate the energy needed to increase the temperature of 100kg of iron by 40°C?

Answers

Answer: 177600 J or 177.6kJ

Explanation:

For this problem, we need to use q = mcAT

we have m = 10000, and AT= 40. The specific heat of iron is 0.444.

So now we can plug it in: q = 10000*.444*40 = 177600 J or 177.6kJ

Answer:

1848000J

Explanation:

Given parameters:

Mass of iron  = 100kg

Temperature change  = 40°C

Unknown:

Energy needed to increase the temperature  = ?

Solution:

The amount of energy needed is given by the expression below:

     H  = m C Δt

m is the mass

c is the specific heat capacity

Δt is the change in temperature

  c for iron is 462J/kg°C

 Now insert the parameters and solve;

  H  = 100 x 462 x 40  = 1848000J

What mass of sulphuric acid can be made from 8g of SO3
(SO3+H2O==>H2S04)

09.8g
18.2g

Answers

Answer:

10 g H₂SO₄

General Formulas and Concepts:

Chemistry - Stoichiometry

Reading a Periodic TableUsing Dimensional Analysis

Explanation:

Step 1: Define

Given:   8 g SO₃

RxN:   SO₃ + H₂O → H₂SO₄

Step 2: Identify Conversions

Molar Mass of S - 32.07 g/mol

Molar Mass of O - 16.00 g/mol

Molar Mass of H - 1.01 g/mol

Molar Mass of SO₃ - 32.07 + 3(16.00) = 80.07 g/mol

Molar mass of H₂SO₄ - 2(1.01) + 32.07 + 4(16.00) = 98.09 g/mol

Step 3: Stoichiometry

[tex]8 \ g \ SO_3(\frac{1 \ mol \ SO_3}{80.07 \ g \ SO_3} )(\frac{1 \ mol \ H_2SO_4}{1 \ mol \ SO_3} )(\frac{98.09 \ g \ H_2SO_4}{1 \ mol \ H_2SO_4} )[/tex] = 9.80042 g H₂SO₄

Step 4: Check

We are given 1 sig fig. Follow sig fig rules and round.

9.80042 g H₂SO₄ ≈ 10 g H₂SO₄

URGENT PLEASE HELP NOW!!
When do most ionic bonds form, based on this Periodic Table?


when elements from B bond with themselves

when elements from A bond with elements from B

when elements from C bond with elements from D

when elements from A bond with themselves

Answers

Answer:

when elements from A bond with elements from B

Explanation:

The elements in part A are metals and that of B are non-metals. Ionic bonds are formed between metals and non-metals. Thus option b is correct.

What is ionic bonding?

An ionic bond is  formed between a metal and non-metal through loss of electron from the metal to the non-metal. Metals are electron rich and easily loss electrons.

Non-metals are electronegative and they are electron -deficient. They need to gain electrons to attain stability. Therefore non-metals such as oxygen, nitrogen, carbon etc. bonds with metals by gaining electrons from metals.

The positive charge of metal acquired by loss of electron and negative charge of nonmetals acquired by gain of electron attracts electrostatically and form the ionic bond.

The elements from A thus bonds ionically with elements from B.

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some safety precautions people should take when using fireworks

Answers

Answer:

Do not try to re-light or handle malfunctioning fireworks. Soak both spent and unused fireworks in water for a few hours before discarding.

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